#ifndef __SVM_H
#define __SVM_H

#define TLB_CONTROL_DO_NOTHING     0
#define TLB_CONTROL_FLUSH_ALL_ASID 1

#define V_TPR_MASK                 0x0f

#define V_IRQ_SHIFT                8
#define V_IRQ_MASK                 (1 << V_IRQ_SHIFT)

#define V_INTR_PRIO_SHIFT          16
#define V_INTR_PRIO_MASK           (0x0f << V_INTR_PRIO_SHIFT)

#define V_IGN_TPR_SHIFT            20
#define V_IGN_TPR_MASK             (1 << V_IGN_TPR_SHIFT)

#define V_INTR_MASKING_SHIFT       24
#define V_INTR_MASKING_MASK        (1 << V_INTR_MASKING_SHIFT)

#define SVM_INTERRUPT_SHADOW_MASK  1

#define SVM_IOIO_STR_SHIFT         2
#define SVM_IOIO_REP_SHIFT         3
#define SVM_IOIO_SIZE_SHIFT        4
#define SVM_IOIO_ASIZE_SHIFT       7

#define SVM_IOIO_TYPE_MASK         1
#define SVM_IOIO_STR_MASK          (1 << SVM_IOIO_STR_SHIFT)
#define SVM_IOIO_REP_MASK          (1 << SVM_IOIO_REP_SHIFT)
#define SVM_IOIO_SIZE_MASK         (7 << SVM_IOIO_SIZE_SHIFT)
#define SVM_IOIO_ASIZE_MASK        (7 << SVM_IOIO_ASIZE_SHIFT)

#define SVM_EVTINJ_VEC_MASK        0xff

#define SVM_EVTINJ_TYPE_SHIFT      8
#define SVM_EVTINJ_TYPE_MASK       (7 << SVM_EVTINJ_TYPE_SHIFT)

#define SVM_EVTINJ_TYPE_INTR       (0 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_NMI        (2 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_EXEPT      (3 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_SOFT       (4 << SVM_EVTINJ_TYPE_SHIFT)

#define SVM_EVTINJ_VALID           (1 << 31)
#define SVM_EVTINJ_VALID_ERR       (1 << 11)

#define SVM_EXITINTINFO_VEC_MASK   SVM_EVTINJ_VEC_MASK

#define SVM_EXITINTINFO_TYPE_INTR  SVM_EVTINJ_TYPE_INTR
#define SVM_EXITINTINFO_TYPE_NMI   SVM_EVTINJ_TYPE_NMI
#define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
#define SVM_EXITINTINFO_TYPE_SOFT  SVM_EVTINJ_TYPE_SOFT

#define SVM_EXITINTINFO_VALID      SVM_EVTINJ_VALID
#define SVM_EXITINTINFO_VALID_ERR  SVM_EVTINJ_VALID_ERR

#define SVM_EXIT_READ_CR0          0x000
#define SVM_EXIT_READ_CR3          0x003
#define SVM_EXIT_READ_CR4          0x004
#define SVM_EXIT_READ_CR8          0x008
#define SVM_EXIT_WRITE_CR0         0x010
#define SVM_EXIT_WRITE_CR3         0x013
#define SVM_EXIT_WRITE_CR4         0x014
#define SVM_EXIT_WRITE_CR8         0x018
#define SVM_EXIT_READ_DR0          0x020
#define SVM_EXIT_READ_DR1          0x021
#define SVM_EXIT_READ_DR2          0x022
#define SVM_EXIT_READ_DR3          0x023
#define SVM_EXIT_READ_DR4          0x024
#define SVM_EXIT_READ_DR5          0x025
#define SVM_EXIT_READ_DR6          0x026
#define SVM_EXIT_READ_DR7          0x027
#define SVM_EXIT_WRITE_DR0         0x030
#define SVM_EXIT_WRITE_DR1         0x031
#define SVM_EXIT_WRITE_DR2         0x032
#define SVM_EXIT_WRITE_DR3         0x033
#define SVM_EXIT_WRITE_DR4         0x034
#define SVM_EXIT_WRITE_DR5         0x035
#define SVM_EXIT_WRITE_DR6         0x036
#define SVM_EXIT_WRITE_DR7         0x037
#define SVM_EXIT_EXCP_BASE         0x040
#define SVM_EXIT_INTR              0x060
#define SVM_EXIT_NMI               0x061
#define SVM_EXIT_SMI               0x062
#define SVM_EXIT_INIT              0x063
#define SVM_EXIT_VINTR             0x064
#define SVM_EXIT_CR0_SEL_WRITE     0x065
#define SVM_EXIT_IDTR_READ         0x066
#define SVM_EXIT_GDTR_READ         0x067
#define SVM_EXIT_LDTR_READ         0x068
#define SVM_EXIT_TR_READ           0x069
#define SVM_EXIT_IDTR_WRITE        0x06a
#define SVM_EXIT_GDTR_WRITE        0x06b
#define SVM_EXIT_LDTR_WRITE        0x06c
#define SVM_EXIT_TR_WRITE          0x06d
#define SVM_EXIT_RDTSC             0x06e
#define SVM_EXIT_RDPMC             0x06f
#define SVM_EXIT_PUSHF             0x070
#define SVM_EXIT_POPF              0x071
#define SVM_EXIT_CPUID             0x072
#define SVM_EXIT_RSM               0x073
#define SVM_EXIT_IRET              0x074
#define SVM_EXIT_SWINT             0x075
#define SVM_EXIT_INVD              0x076
#define SVM_EXIT_PAUSE             0x077
#define SVM_EXIT_HLT               0x078
#define SVM_EXIT_INVLPG            0x079
#define SVM_EXIT_INVLPGA           0x07a
#define SVM_EXIT_IOIO              0x07b
#define SVM_EXIT_MSR               0x07c
#define SVM_EXIT_TASK_SWITCH       0x07d
#define SVM_EXIT_FERR_FREEZE       0x07e
#define SVM_EXIT_SHUTDOWN          0x07f
#define SVM_EXIT_VMRUN             0x080
#define SVM_EXIT_VMMCALL           0x081
#define SVM_EXIT_VMLOAD            0x082
#define SVM_EXIT_VMSAVE            0x083
#define SVM_EXIT_STGI              0x084
#define SVM_EXIT_CLGI              0x085
#define SVM_EXIT_SKINIT            0x086
#define SVM_EXIT_RDTSCP            0x087
#define SVM_EXIT_ICEBP             0x088
#define SVM_EXIT_WBINVD            0x089
/* only included in documentation, maybe wrong */
#define SVM_EXIT_MONITOR           0x08a
#define SVM_EXIT_MWAIT             0x08b
#define SVM_EXIT_NPF               0x400

#define SVM_EXIT_ERR               -1

#define SVM_CR0_SELECTIVE_MASK     (1 << 3 | 1)/* TS and MP */

struct TLIB_PACKED vmcb_control_area {
    uint16_t intercept_cr_read;
    uint16_t intercept_cr_write;
    uint16_t intercept_dr_read;
    uint16_t intercept_dr_write;
    uint32_t intercept_exceptions;
    uint64_t intercept;
    uint8_t reserved_1[44];
    uint64_t iopm_base_pa;
    uint64_t msrpm_base_pa;
    uint64_t tsc_offset;
    uint32_t asid;
    uint8_t tlb_ctl;
    uint8_t reserved_2[3];
    uint32_t int_ctl;
    uint32_t int_vector;
    uint32_t int_state;
    uint8_t reserved_3[4];
    uint64_t exit_code;
    uint64_t exit_info_1;
    uint64_t exit_info_2;
    uint32_t exit_int_info;
    uint32_t exit_int_info_err;
    uint64_t nested_ctl;
    uint8_t reserved_4[16];
    uint32_t event_inj;
    uint32_t event_inj_err;
    uint64_t nested_cr3;
    uint64_t lbr_ctl;
    uint8_t reserved_5[832];
};

struct TLIB_PACKED vmcb_seg {
    uint16_t selector;
    uint16_t attrib;
    uint32_t limit;
    uint64_t base;
};

struct TLIB_PACKED vmcb_save_area {
    struct vmcb_seg es;
    struct vmcb_seg cs;
    struct vmcb_seg ss;
    struct vmcb_seg ds;
    struct vmcb_seg fs;
    struct vmcb_seg gs;
    struct vmcb_seg gdtr;
    struct vmcb_seg ldtr;
    struct vmcb_seg idtr;
    struct vmcb_seg tr;
    uint8_t reserved_1[43];
    uint8_t cpl;
    uint8_t reserved_2[4];
    uint64_t efer;
    uint8_t reserved_3[112];
    uint64_t cr4;
    uint64_t cr3;
    uint64_t cr0;
    uint64_t dr7;
    uint64_t dr6;
    uint64_t rflags;
    uint64_t rip;
    uint8_t reserved_4[88];
    uint64_t rsp;
    uint8_t reserved_5[24];
    uint64_t rax;
    uint64_t star;
    uint64_t lstar;
    uint64_t cstar;
    uint64_t sfmask;
    uint64_t kernel_gs_base;
    uint64_t sysenter_cs;
    uint64_t sysenter_esp;
    uint64_t sysenter_eip;
    uint64_t cr2;
    uint8_t reserved_6[32];
    uint64_t g_pat;
    uint64_t dbgctl;
    uint64_t br_from;
    uint64_t br_to;
    uint64_t last_excp_from;
    uint64_t last_excp_to;
};

struct TLIB_PACKED vmcb {
    struct vmcb_control_area control;
    struct vmcb_save_area save;
};

#endif
